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Tohnichi MNTD Operating Instruction

Marking torque screwdriver
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MARKING TORQUE SCREWDRIVER
MODEL MNTD
OPERATING INSTRUCTION
MNTD
MNTD Model
MNTD120CN with detachable Resin Grip
MNTD500CN with detachable Auxiliary Tightening Bar
To use this product properly and safely, please read this manual carefully before use. If you have
any question about the product and its operations, please contact your nearest distributor or
TOHNICHI MFG. CO., LTD.

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Summary of Contents for Tohnichi MNTD

  • Page 1 MNTD500CN with detachable Auxiliary Tightening Bar To use this product properly and safely, please read this manual carefully before use. If you have any question about the product and its operations, please contact your nearest distributor or TOHNICHI MFG. CO., LTD.

  • Page 2: Table Of Contents

    ontents 1. Application ..............2 2. Features................. 2 3. Warnings................ 2 4. Specifications..............3 5. Operating Procedure............. 5 6. Precautions for Handling ..........8 7. Inspection and Maintenance ........9 8. Options ................9...

  • Page 3: Application

    Application • Marking torque screwdriver for tightening verification. Features • Marking on a screw head allows you to find non-tightened screws visually. • Tightening and marking at a same time allow you to cut process and time. • A marker moves along the side of a bit, allowing you to use in a narrow space. •...

  • Page 4: Specifications

    Min.-Max. 4-10 10-22 20-40 Overall Length L Grip D1 30.5 36.5 91.5 74.5 34.5 Note 1: Tohnichi original bit and marker are required to use. Standard Accessories : Auxiliary Tightening Bar for MNTD500CN only Green color Resin Grip for MNTD120/260CN...
  • Page 5 ■ Tohnichi Original Bit Hex. 6.35 Cross-head #1/#2/#3 Hex. W2.5/W3/W4/W5 ■ MNTD120CN, 260CN Torque Adjusting Window Bit Outward Approx. L’ Torque Adjusting Window ød ■ MNTD500CN Torque Adjusting Window Bit Outward Approx. L’...

  • Page 6: Operating Procedure

    Operating Procedure (1) Adjustment Pre-set Torque Value, Fig. 1 Set Tohnichi preset hook spanner into grooves of adjusting piece of MNTD grip. Adjust torque by rotating the adjusting piece in right and left. Preset torque value can be set on Tohnichi torque screwdriver tester, TDT3-G models.
  • Page 7 (5) Operate MNTD as clockwise. (6) When MNTD clicks, your tightening work ends. * There is an idle 15 degrees after MNTD clicks and the marker is operated. No additional torque is applied in the interval, please finish your operation before...
  • Page 8 Adjust marker height position Set 1.5mm hexagonal wrench into MNTD Screw Head, Fig. 5. Turn the screw clockwise as the marker withdrawing, turn counter clockwise and the marker out. Over loading on screw inside the coupler may cause damage. W1.5 Hexagonal Wrench Key...

  • Page 9: Precautions For Handling

    (1) Additional turning after MNTD clicks, it results in over-torque. (2) Use proper bits suitable to screws, otherwise, it may damage screw head. (3) Store MNTD marker at room temperature, less than 50 degree celsius. (4) Do not keep MNTD marker upward, Fig. 7.

  • Page 10: Inspection And Maintenance

    (1) MNTD is a measuring instrument. Check the condition periodically. (2) Any defects on MNTD, stop using it and contact distributors for repair and inspection. (3) In case of MNTD not being used for a while, keep it in low-humidity place. Options Tohnichi Original Phillips Bit For flat head, pan head and binding head screws.
  • Page 11 Preset Hook Spanner For set torque of MNTD. Catalog No. Applicable Model MNTD120CN MNTD260CN MNTD500CN Auxiliary Tightening Tool Assist high torque tightening work for MNTD500CN. Catalog No. Applicable Model MNTD500CN Resin Grip For Management torque control by color grip. Applicable Model...
  • Page 12 Torque Screwdriver Tester TDT3-G Calibration and Torque Adjustment of MNTD. Features · Loading device keeps stable measuring to avoid reading error. · Judgement function shows results with 3 colors, white, red and blue. · AC100 to 240V. Model TDT60CN3-G TDT600CN3-G Min.-Max.

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